java.lang.NumberFormatException: For input string: "."
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1224)
at java.lang.Double.parseDouble(Double.java:482)
at com.caucho.quercus.env.StringBuilderValue.toDouble(StringBuilderValue.java:317)
at com.caucho.quercus.env.Value.eq(Value.java:170)
at com.caucho.quercus.env.ArrayValue.contains(ArrayValue.java:626)
at com.caucho.quercus.lib.ArrayModule.in_array(ArrayModule.java:1473)
...